Grinding and lapping machines SPTE 3-3, SPTE 3-4
Purpose
■ for lapping and grinding of fl at parts made of various steels, cast iron,
including gate valve wedges, spools valves, pump mechanical seals,
etc
Construction
■ foundation plate
■ high quality cast iron lapping disc
■ device for smooth start and speed control (control panel operating)
■ timer that allows to set the processing time
■ lapping abrasive feeder
Advantages
■ simultaneous processing of a batch of small parts
■ automatic supply of lapping agent
■ easy replenishment of lapping agent or its replacement
■ the machine provides high productivity
■ achievable fl atness up to 0.6 microns, roughness up to 0.05 microns
(10..12 grade)
■ cassettes providing even wear of the lap
Equipment
■ replaceable cassettes
■ set of fi ll pieces
■ individual lamp
■ set of weights
Additional accessories
■ set of interference glasses
■ device for determining roughness
Specifications
|
Model
|
SPTE 3-3
|
SPTE 3-4
|
|
Nominal diameter of valve DN for wedge gate valves, mm
|
50...500
|
15...200
|
|
Nominal diameter of valves DN for valve spools, mm
|
50...200
|
15...200
|
|
Cast iron lap diameter, mm
|
1000
|
530
|
Number of installed cassettes, pcs (inner diameter)
|
3 (405 мм)
1 (680 мм)
|
3 (205 мм)
|
|
For grinding
|
interchangeable tooling with self-adhesive diff erent grit sandpaper
|
|
For lapping
|
replaceable equipment made of high quality cast iron
|
|
Lap speed, rpm
|
5,0...37,5
|
5,0...37,5
|
|
Drive power, kW
|
3,0
|
0,75
|
|
Power supply, V/Hz
|
380/50
|
380/50
|
|
Overall dimensions, mm
|
1650*1495*1150
|
1020*820*1000
|
Weight excluding the replaceable kit, kg
|
1300
|
350
|
The technical characteristics and the image of the equipment are for informational purposes only and can be changed according to the specifi cations of the customer
